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How to run `rails generate scaffold` when the model already exists?
... using the rails generate option. If you run rails generate -h you can see all of the options available to you.
Rails:
controller
generator
helper
integration_test
mailer
migration
model
observer
performance_test
plugin
resource
scaffold
scaffold_controller
session_migra...
How to create a .NET DateTime from ISO 8601 format
...standard, they seem to be able to parse only a limited subset of it. Especially it is a problem if the string contains time zone specification. (Neither it does for basic ISO8601 formats, or reduced precision formats - however this is not exactly your case.) That is why I make use of custom format s...
Measure elapsed time in Swift
...erence in nano seconds (UInt64)
let timeInterval = Double(nanoTime) / 1_000_000_000 // Technically could overflow for long running tests
print("Time to evaluate problem \(problemNumber): \(timeInterval) seconds")
return theAnswer
}
Old answer
For Swift 1 and 2, my function uses NSDate...
fatal error LNK1112: module machine type 'x64' conflicts with target machine type 'X86'
...tform, for the insufficiency of cuda. I think the library files linked are all compiled on the x86 platform, but when I compile it, I get the error message "fatal error LNK1112: module machine type 'x64' conflicts with target machine type 'X86'".
...
How do I change the IntelliJ IDEA default JDK?
...I want IntelliJ IDEA to reflect changes of JAVA_HOME sys variable automatically.
– Ivan_Bereziuk
Nov 16 '17 at 10:48
1
...
Explain Morris inorder tree traversal without using stacks or recursion
... / \
(Y) Z
/ \
C D
(Y) above refers to Y and all of its children, which are omitted for recursion issues. The important part is listed anyway.
Now that the tree has a link back to X, the traversal continues...
A
\
Y
/ \
(A) B
\
X
/ \
(Y)...
Making git auto-commit
I'd like to use git to record all the changes to a file.
18 Answers
18
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Keep overflow div scrolled to bottom unless user scrolls up
...age loads scroll to the bottom of the content. This div has content dynamically added to it and needs to stay scrolled all the way down. Now if the user decides to scroll up I don't want it to jump back to the bottom until the user scrolls all the way down again
...
WARNING: Can't verify CSRF token authenticity rails
... that you have <%= csrf_meta_tag %> in your layout
Add beforeSend to all the ajax request to set the header like below:
$.ajax({ url: 'YOUR URL HERE',
type: 'POST',
beforeSend: function(xhr) {xhr.setRequestHeader('X-CSRF-Token', $('meta[name="csrf-token"]').attr('content'))},
data: '...
How to set a default value for an existing column
...
MSSQL is weird for calling default values "constraints". If anything, they are relaxations; the opposite of a constraint! They make more things valid, not fewer.
– Roman Starkov
May 11 '13 at 12:06
...